function GuiPagePaymentBonus() {
  
};

GuiPagePaymentBonus.instance = function(prefix) {
  return { page: document.getElementById(prefix + '_page_div'),
           main: document.getElementById(prefix + '_main_table'),
           checkAll: document.getElementById(prefix + '_checkAll_checkbox'),
           save: document.getElementById(prefix + '_save_button')
         };
};
